Nephrite and Uvarovite Physical Properties

Nephrite

Uvarovite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.103.77

1 7.18

1.5 Fracture

Splintery, Granular, Splintery, Granular, Gemstones (2009)

Uneven, Conchoidal, Brittle, Metallic, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

6-6.56.5-7.5

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

Nephrite and Uvarovite Chemical Formula

While comparing Nephrite and Uvarovite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Nephrite and Uvarovite chemical formula.

Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Uvarovite- Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

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Nephrite and Uvarovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Uvarovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Uvarovite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 3.77 whereas that of Uvarovite is 3.77.